smtpin04.albedo.it has no MX records.
Question and response
Question
dig smtpin04.albedo.it. MX
Answer
The response has no answer records.
Authority
albedo.it. 7200 SOA dns.albedo.it. hostmaster.dns.albedo.it. 2026030701 7200 3600 1209600 7200
Additional
. 0 OPT ; payload 4096, xrcode 0, version 0, flags 0